Fix: ofGetLastFrameTime() always returns 0 (Filtered/System timeMode) Bug

[danoli3]

Fixes: #8238

Changes:

ofFPSCounter

• fixed default values
• fixed ofGetLastFrameTimeSecs() to return double duration as to spec
• fixed ofGetLastFrameFilteredTimeSecs() to return double duration as to spec
• fixed timestamp calculation for < 2
• fixed filteredTime calculation with clamps for anomalies
• fixed filteredTime calculation to only occur with timeMode FilteredTime
• passing timeMode as int in ctor / setter added
• queue to deque (for size optimisation)
• allowed for FPS change with functions added

ofEvents

• fixed setting of ofFPSCounter and timeMode
• fixed changing of FPS not changing fps counter

[danoli3]

Okay this is tested working for System, Filtered and normal working.

• Also fixed emscripten build ci for split for addons
• fixed linux rtAudio redefine issues
• Linux - GDB enabled for tests